Here is the full list of all 56 Eador. Masters of the Broken World achievements.
Eador remembers.
Encounter Ul-Dagan.
Conquer a shard after exploring over 1000% of uncharted land across the provinces.
Construct all possible buildings in the stronghold.
Forge an alliance with the centaurs.
Encounter Dariol.
Forge an alliance with the halflings.
Slay a dragon.
Encounter L'Anshar.
Encounter Stenriya.
Encounter Oumm.
Conquer a shard without losing any units serving in the heroes' armies.
Reach 20th hero level.
Encounter Vianta.
Fight off an attack by another Master against your shard.
Explore a province to 100%.
Encounter Doh-Gor.
Forge an alliance with the lizardmen.
Encounter Beleth.
Destroy the guards of a store in province.
Conquer a shard after unveiling the entire map.
Resurrect a slain hero.
Encounter Oinor.
Capture your first shard.
Conquer a shard without losing any battles involving the heroes.
Survive with a hero the annihilation of his army.
Capture over 50% of provinces on a shard.
Begin your first siege.
Conquer a shard after constructing all available buildings in the stronghold.
Reach 10th hero level.
Receive medal with a unit.
Conquer your first province.
Earn first hero level.
Win your first tactical battle.
Talk to Zarr in the Astral.
Encounter Erdu.
Encounter Dorikos.
Encounter Adrageron.
Encounter Ranadil.
Encounter the Nameless.
Encounter Magnus.
Finish the game with «Destroy all life» ending.
Construct magic school of fourth tier.
Capture a shard in less than 45 turns.
Lose a battle for the shard due to an uprising in your capital province.
Lose the campaign to Chaos invasion.
Forge an alliance with the orcs.
Forge an alliance with the dwarves.
Forge an alliance with the goblins.
Forge an alliance with the elves.
Summon over 50 skeletons or zombies in a battle for the shard.
Encounter Herskil.
Conquer a shard after winning 10 fights on the Arena.
Conquer a shard after looting 10 locations with dragon guards.
Conquer a shard after plundering over 1000 gold from the provinces.
Conquer a shard after gathering at least one set of 4 or more items.